More Software Like AstroNav 1.1.6

Nautical Almanac

Complete 2014 Nautical Almanac in pdf format complete with monthly star charts. Includes Parallax corrections for the planets which are not normally available.

AstroNav

Combine multiple sights on different tracks. Data available for 9999BC to 9999AD including a Star Atlas, twilights and eclipses. It will print conventional Nautical Almanac pages while the voyage plan is a sophisticated tool in its own right.

GrandTour

Accurate, flexible wireframe simulator for the Voyager and Giotto space missions, with animation capability. Developed at JPL for science/navigation, and filmed by the BBC/NOVA. Conveniently runs from any Windows/DOS.